Download this FREE 2D CAD Block of an AIRPORT BUS. This CAD block download can be used in your airport design CAD drawings. (AutoCAD 2004.dwg format) Our CAD drawings are purged to keep the files clean of any unwanted layers. Our 2d dwg CAD library is constantly updated. Subscribe to our FREE NEWSLETTER to receive big discounts on our CAD collections and 3d max vray models.